<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
modelAttribute7的jsp页面<br>
${message}

ModelAttribute和RequestMapping同时作用于同一方法

从Model中获取的参数（request）username为：${requestScope.user.username}<br>
</body>
</html>
